Function clang_sys::clang_codeCompleteAt

pub unsafe fn clang_codeCompleteAt(
    tu: CXTranslationUnit,
    file: *const c_char,
    line: c_uint,
    column: c_uint,
    unsaved: *mut CXUnsavedFile,
    n_unsaved: c_uint,
    flags: CXCodeComplete_Flags
) -> *mut CXCodeCompleteResults